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Old 12-21-2012, 04:05 PM   #1 (permalink)
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2000 Zl 500 overheating

Putting my sled away last year for summer, while running the gas out of it, I let it run and came back to coolant spraying everywhere with both the oil and coolant lights on. Running it this year, it seems to be using a ton of coolant. Is it possible that I burnt up the head gasket and/or o-rings. Second question should I replace or just tighten the head bolts? Open to any other suggestions. Thanks.
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Old 12-22-2012, 07:01 AM   #2 (permalink)
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First is there anti comeing out the exh? or is there compression in the resivor?
I would drain the anti and pull the heads!
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Old 12-22-2012, 10:08 AM   #3 (permalink)
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I do not remember any coming out the exhaust, but it did seem to smoke extra and it did burn quite a bit of oil after a very short ride. Also i rode it about a half an hour or so yesterday morning, and it ran fine no lights came on, then that after noon took it out again, and the entire coolant reservoir was empty.
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Old 12-22-2012, 10:10 AM   #4 (permalink)
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Another quick question, what kind of cost would it be for a dealer to change a head gasket?
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Old 12-22-2012, 06:34 PM   #5 (permalink)
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Smell the exh and see if it smells sweet? Then remove the radiator cap and see if there is presure? Start it up and see if anti sprays out? If so drain the anti and pull the head!
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Old 12-22-2012, 10:54 PM   #6 (permalink)
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Well I ended up bringing it to the dealer. I didn't smell the exhaust to see if it smelled sweet, but after a short ride, the coolant cap wasn't even warm, so not sure about that part. Also when the light came on during the trip, I thought that there were some air bubbles in the heat exchanger, so i ran it a little bit with the cap off, but I didn't hear any pressure buildup being released when I took the cap off. This was all on the coolant reservoir.
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Old 12-23-2012, 07:33 AM   #7 (permalink)
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Well there are several possibilities! Water pump mech seal or an Oring in the head are most coommon. Then there would be a hole in one of the exchangers? But the very least I would have done is raise the front end and run it with the cap off to get all the air out!
Keep us posted on what they find, and what they charge!
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Old 12-23-2012, 02:28 PM   #8 (permalink)
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I did run it a couple minutes with the front elevated, but still was hot. I'll let you know my findings.
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Old 12-30-2012, 12:07 AM   #9 (permalink)
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Update on the Overheating... The dealership called the other day, and found out that there were no issues with the gaskets/or seals. Apparently, the coolant bottle had warped and caused the cap to not seal properly on the bottle which let coolant spill out when riding it. As for the light, the power wire that ran under the air box, had been rubbed raw and caused it to short keeping the light on. Price wise, it was around 25 dollars for the bottle and what ever the hourly rate is. Overall, happy it was only the bottle not sealing, and not something more serious.
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